Jorgensen, S., C. S. Fichten, A. Havel, D. Lamb, C. James, and M. Barile. “Academic Performance of College Students With and Without Disabilities: An Archival Study”. Canadian Journal of Counselling and Psychotherapy, vol. 39, no. 2, Feb. 2007, https://dev.journalhosting.ucalgary.ca/index.php/rcc/article/view/58755.